Annual report pursuant to Section 13 and 15(d)

Borrowings (Details)

v3.8.0.1
Borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 25, 2016
Debt Instrument [Line Items]    
Debt and capital lease obligations $ 277,313 $ 347,838
Less: Current portion (741) (658)
Long-term debt and capital lease obligations 276,572 347,180
Revolving credit facility | New Credit Facility    
Debt Instrument [Line Items]    
Debt and capital lease obligations $ 266,375 $ 336,375
Weighted Average Interest Rate 3.50% 2.65%
Capital lease obligations    
Debt Instrument [Line Items]    
Debt and capital lease obligations $ 10,938 $ 11,463
Weighted Average Interest Rate 4.68% 4.73%